Heater.



PATENT oracion. -v

, ROY ivi. DEAN, or CHICAGO, ILLINOIS.

HEATER.

incanta,

specification of Letters Patent.

Patenten nee.V Ia, Iers.

Application filed February 25, 1914. Serial No. 820,892.

To all 'whom it may concern `Be it known that I, ROY M. DEAN, a citizen of the United States, residing at Chicago, in the county of Cook and State 'of Illinois, have invented certain new anduseful Improvements in Heaters, of which the followin-g is a specification.

This'invention relates to improvements 1ny heaters, particularly adapted for use with automobiles, and one of the objects of the same is to provide an improved 'device of this character,whereby the radiator water,

and the engine cooling water maybe used as a heating medium, and which medium is lraised tol the proper temperature by means of radiation from the exhaust of the engine.

A further object is to provide an improved device o-f this character having means whereby the temperature of the water mayf be lowered/fuer it leaves the heater, and

y before it r ches the radiator,'or engine c lfully described and claimed, and shown in' inders, whereby overheating of the wa er will be obviated, and to return the water to the circulating system in a cooledv condition.

` A further object is to provide an improved device of this character having means for controlling the circulation of the water through the heater. y

To the attainment of these ends` and the accomplishment of other new and useful objects, asY will appear, the invention consists yin the features'ofnovelty in substantially the construction, combinationand arrangement of the several parts, hereinafter more the accompanying drawing exemplifying the heater attachment constructed -in accordance invention, and in which: c

Figure l is av longitudinal sectional view of a portion lof an automobile, having a with the principles of this invention, applied thereto and withparts of the attachment in v section yand parts in elevation. Fig. 2 is a top plan view of the parts shown in Fig, 1. Fig. ,3 is an enlarged detail-sectional view showing the lter and the means whereby a vportion of the circulating fluid isdirected into the attachment. l j

Referring more particularly ,to the drawing, the numeral 10'designates generally the body v`of an'automobile, having` tle engine cylinders 11 the radiator 12, the pump. 13, for drawing the. water from the radiator lthrough the pipe 14 and'discharging the same to circulate around the engine cylinders, the return manifold 15 leading bachl to the radiator 12 to discharge the circulating l part of the present invention, as the invenf' tion is well adapted to any form of engine andany form of circulating systemA for the engine cooling'medium.

Arranged in any convenient position within a chamber or bo'x 17, preferably set into the floor of the vehicle, is a heater coil 18 of any desired configuration and size, andvthis box or chamber 18 is preferably lined with asbestos 19, and is closedby means of a grating 20. The bottom of the box is preferably provided with an opening 21, having a pipe or entrance leading therefrom and located beneath the floor of the vehicle, with its open end 23 directed toward the front of the vehicle, so that when the vehicle is advancing, air currents will enter the opening 23 to How through the box 17, over the heater coil 18 and out through the grating 20 into the vehicle.

In order to control the entrance of the air into the box 17, anyV suitable controlling means maybe provided, such as a damper handle or lever 25, connected with the dam;

vso

per, and which handle is located in a .con-

venient position within the vehicle.

Leading from the return manifold 15, preferably adjacent the radiator 12 is a pipe '26 of any desired diameter, and this pipe is coiled about the exhaust 16, for any desired' distance, and has communication with the *inletv of the heater element 18,'.as shown clearly in Fig.l 2. Leading from the outlet ofthe heater element 18 is a return pipe 27, l which preferably extends below the bottom of the vehicle, an`d also below the droip pan 28 ofthe engine, and is sliaped into a e001-,

ing coil 29of' any desired size, length andconfiguration, while the extremityvof'this coil 29, which constitutes the end of the pipe 27 preferably has communication as at 30 A.with the outlet'pipe .14 of the radiator 12 and the inlet pipe ofthe puin-p 13.

AInprder todivert a portion of the circu- "lating""fii1id from the return'manifold 15,

there .'may" be provided adjacent the opening 31, with which'the pipe 26 communicates, a baffle or deflector lip 32, which projects into the manifold'l. This deflector is of a size to permit a portion of the water to flow past the same so that it will enter the radiator 412.

. In order to prevent foreign particles from entering the pipe 26, which might clog the heater element as well as the inlet and outlet thereof, there may be provided in the pipe 26, a. screen-or filter 33 which extends across the 'chamber or receptacle 34. The latter may be of any desired size and configuration 'and may be made 1n sect1ons so as to be sep- 35 and a portion of the water from the manifold 15 will flow into the pipe 26, a portion lof the latter being coiled about the exhaust pipe 16, both will be heated'by radiation therefrom, and the water will be raised to a high temperature. Circulating from the pipe 26 the water will enter the heater 18 and liow therefrom through the pipe 27,

luntil it meets the coil 29, and passing through the latter, which is exposed to the outside air and to the air currents while the machine is moving, the water vwill be cooled, orf the temperature thereof reduced so that when the water passes out of the pipe 27 and into the pipe 14, it will be drawn at a reduced temperaturethrough the pipe 14: by

the pump 13 into the engine case or jackety to be circulated therethrough and from there 1nto the return manifold 15, a portion of the water finally entering the radiator 12. The pump 13 aids in creating circulation not only through the radiator 12 and about the engines, but also through the pipes 26 and 27, heater 18 and cooling -coil 29. When it is not desired to use the heater, the valve 35 may be closed.

In order to conserve the heat so that the water flowing through the portion of 'the pipe coiled about the exhaust 16 will be quickly heated, a covering or casing 36 may be provided to surround the exhaust 16 and the adjacent p'ortion of the pipe 26. Obviously any number of these Vheaters 18 may be employed, andy may be located in any desired .position in the vehicle.

" `A drain cock 37 may be provided preferably in the pipe 26, or at the lowest point of circulation of thewater therethrough, so as to drain 'the attachment when it is-not desired to use the same. A check valve 38 may also beQprovided in the pipe 27, and the pur- -pose of this check valve is to prevent-theY back flow of the water from the circulation system into the attachment, when the engine is standing still. Obviously-instead ofthe pipe 27 discharging into the pipe 14 it may discharge directly intojthe radiator To preheat the air before it enters the opening-23 of the box 17, a heating drum 16', may be provided which surrounds a portion of the exhaust pipe 16, and with which drum theI box 17 has communication. The drumhas one or more inlet openings 162 through which outside air enters the drum.

While the preferred form of the invention has been herein shown and described, it is to be understoodthat many changes may be made in the details of construction, and in the combination and arrangement of the'several parts without -departing from the spirit of this invention.

2. In combination, an engine, an exhaust pipe leading therefrom, a water, circulation system for cooling the engine, a branch water circulation pipe leading from said system, a foot warmer included in the said branch,

the supplyfendo'f the branch encompassing the exhaust pipe and extending lengthwise thereof and in contact"therewith, andthe outlet end of the branch being'shaped into a cooling coil, heat insulatingmaterial incasing theexhaust pipeand the portion of the said branch.v pipe coiled, about the said exhaust pipe, and means for controlling at will the circulation .of the waterfthrough the said branch.

3. In combination, anengine, 'an exhaust pipe leading therefrom, a water circulation system for coolin the engine, a branch circulation pipe lea ing from the said system, an open chamber within the vehicle to be heated, said branch .pipe passing through said chamber, the supply end of the branch pipe coiledabout the exhaust pipe exterior of the chamber, means for controlling the circulation of the water through said branch pipe, said chamber alsohaving an inlet for outside air, and means for controlling said air inlet at will. r

4. In combination, an engine, an exhaust pipe leading therefrom, a water circulation system for cooling the engine, a branch'circulation pipe leading from the' said system, an open chamber within the' vehicle to be heated, said branch pipe passing through said chamber, the supplyr end of the branch pipe coiled about the exhaust pipe exterior ofthe chamber, means for controlling the circulation of the Water through said branch pipe, said chamber also having an inlet for of tWo subscribing Witnesses, on this 14th outside air, a preheater for the air before if day of February, A.. D. 1914.

enters said chamber, and means for control- ROY M. DEAN. ling said aii inlet at will. Witnesses: 5 In testimony whereof I have signed my I. M. BARING,.

name to this speciication, in the presence J. H. .IOCHUM, Jr. 

